A windows tool to check disks for hardware issues and flag them appropriately.

  1. It check for bad blocks on a HDD. When it finds a bad block, it will flag it appropriately (0x0000FFFF for FAT file systems).
  2. It looks for filenames no longer linked with clusters and removes them (Fixes logical file system errors)

Flags

/f

Fix all errors on disk

/r

Locate bad sectors and recover readable information